Material:Plastic,silica GelCategory:Earphones & HeadphonesEarcups Type:Semi-openMax Output:5mwNumber Of Drivers:1Charging Method:CableHeadphone Pads Material:SiliconeMagnet Type: Driver Diameter:4mmTotal Harmonic Distortion:16%Impedance Range:Up To 32 惟Bluetooth Version:5.0Package List:User Manual,charging CableFeatures:Active Noice Cancelling,dual ConnectionCodecs:AacWith Microphone:YesIs Wireless:YesSupport App:NoSupport Memory :NoWaterproof:NoResistance:16蠅Line Length:0.3mFrequency Response Range:50 - 2000hzSensitivity:95±3dbPlug Type:Line TypeFunction:For Video Game,common Headphone,for Mobile Phone,hifi Headphone,sportActive Noise-cancellation:YesVolume Control:YesControl Button:YesVocalism Principle:DynamicWireless Type:BluetoothConnectors:NoneCommunication:WirelessStyle:In-earCertification:Ce,fcc,rohsOrigin:Mainland Bluetooth-compatible Distance:W/o Obstacles 10mMusic Time:About 4 HoursTalk Time:About 5 HoursStandby Time:About 80 HoursCharging Time:About 2 HoursMaterial: Abs + Aluminium AlloyColor:BlackCompatible Phone:For & PhonesApplication:Sport Bussiness CasualBluetooth-compatible Mode:Hands-free HeadsetBluetooth-compatible Protocol:A2dp AvrcpBluetooth-compatible Version:5.0 :80 Mah Type:Built-in Li-ion Size:55mm*27mm*15mmWeight:18.5g :SupportDrop Shipping:SupportWhole :SupportFunction 1:Hd Sound,cvc Noise ReductionFunction 2:Multipoint ConnectionFunction 3:Display Status On IosFunction 4: Prompts, Display, Volume ControlFunction 5:Led Indicator Function 6:Roller Chip